At the county fair, the operator of a game guesses a contestant's weight. For each pound the operator's guess differs from the contestant's weight, the contestant will receive $3.A
contestant weighing x pounds received $15 when the operator guessed 120 pounds. Which of
the following equations could be used to solve for the weight of the contestant?

the expected value of the random variable : 0, 1 and 2

step-by-step explanation:

both the histogram and the stem and leaf plot will visually show how many shoppers were of various ages within each range of data.   the histogram does not give us the specific ages of these shoppers unlike the stem and leaf plot.a histogram does not give us a true range of the data because we do not know exactly how old the shoppers were. a stem and leaf plot will give exact ages, so we can determine the exact range along with all measures of center and the others measures of center.   with the histogram, we cannot find any of these.

step-by-step explanation:

i think you would have to divide the money he had saved, which is $2,000 by the time he plans on exercising which is 40 hours, and the answer you get should tell you the answer to your question.